Biblio

G. Hutton, “Global costs and benefits of drinking-water supply and sanitation interventions to reach the MDG target and universal coverage”. World Health Organization (WHO), Geneva, Switzerland, p. 67 p.; 17 tab.; 20 fig., 2012.

G. Hutton, “Monitoring “Affordability” of water and sanitation services after 2015 : review of global indicator options : a paper submitted to the United Na..”. S.n., S.l., p. 62 p.; 12 tab.; 1 fig., 2012.